// 用 rem 函数简化 px 转 rem
@function rem($px) {
    @return $px / 10 * 1rem;
  }


.section{
    width: 100%;   
    &__title{
        letter-spacing:1px;
        font-size: 1rem;
        padding-left: 1px;
        padding-bottom:2px;
        display: flex;
        justify-content: space-between;
    }
}
